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#include <gtest/gtest.h>
#include "blockstore/implementations/parallelaccess/ParallelAccessBlockStore.h"
#include "blockstore/implementations/testfake/FakeBlockStore.h"
#include <cstddef>
using ::testing::Test;
using cpputils::Data;
using blockstore::testfake::FakeBlockStore;
using namespace blockstore::parallelaccess;
class ParallelAccessBlockStoreTest: public Test {
public:
ParallelAccessBlockStoreTest():
baseBlockStore(new FakeBlockStore),
blockStore(std::move(cpputils::nullcheck(std::unique_ptr<FakeBlockStore>(baseBlockStore)).value())) {
}
FakeBlockStore *baseBlockStore;
ParallelAccessBlockStore blockStore;
blockstore::BlockId CreateBlockReturnKey(const Data &initData) {
return blockStore.create(initData)->blockId();
}
};
TEST_F(ParallelAccessBlockStoreTest, PhysicalBlockSize_zerophysical) {
EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(0));
}
TEST_F(ParallelAccessBlockStoreTest, PhysicalBlockSize_zerovirtual) {
auto blockId = CreateBlockReturnKey(Data(0));
auto base = baseBlockStore->load(blockId).value();
EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(base->size()));
}
TEST_F(ParallelAccessBlockStoreTest, PhysicalBlockSize_negativeboundaries) {
// This tests that a potential if/else in blockSizeFromPhysicalBlockSize that catches negative values has the
// correct boundary set. We test the highest value that is negative and the smallest value that is positive.
auto physicalSizeForVirtualSizeZero = baseBlockStore->load(CreateBlockReturnKey(Data(0))).value()->size();
if (physicalSizeForVirtualSizeZero > 0) {
EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero - 1));
}
EXPECT_EQ(0u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero));
EXPECT_EQ(1u, blockStore.blockSizeFromPhysicalBlockSize(physicalSizeForVirtualSizeZero + 1));
}
TEST_F(ParallelAccessBlockStoreTest, PhysicalBlockSize_positive) {
auto blockId = CreateBlockReturnKey(Data(10*1024));
auto base = baseBlockStore->load(blockId).value();
EXPECT_EQ(10*1024u, blockStore.blockSizeFromPhysicalBlockSize(base->size()));
}
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